package action.learn;

import java.util.ArrayList;

/**
 * @program: study-java8
 * @description:
 * @author: Sun Feng
 * @create: 2020-06-18 07:32
 **/
public class Test {
    public static void main(String[] args) {
        ArrayList<Double> doubles = new ArrayList<>();

        System.out.println(doubles.get(0));
    }
}
